Dancing larynx!!!
“a variant of palatal tremor?”
British neurologist Anette-Eleonore Schrag
1999, first description
@UCLIoN
#MedTwitter #neurotwitter #EndNeurophobia #tweetorials
1/
“a variant of palatal tremor?”
British neurologist Anette-Eleonore Schrag
1999, first description
@UCLIoN
#MedTwitter #neurotwitter #EndNeurophobia #tweetorials
1/
Definition
“rhythmic vertical laryngeal cage movements of varying frequency with synchronous movements of the tongue, posterior pharynx, and the palatopharyngeal arch”
- not affecting uvula
2/
“rhythmic vertical laryngeal cage movements of varying frequency with synchronous movements of the tongue, posterior pharynx, and the palatopharyngeal arch”
- not affecting uvula
2/
Pathophysiology
Variant of palatal tremor
- oscillatory firing of neurons in the inferior olives
Functional
3/
Variant of palatal tremor
- oscillatory firing of neurons in the inferior olives
Functional
3/
Clinical clues
i) suppressed by action
ii) no palatal tremor
- no uvula involvement
iii) sensory triggers
- head flexion trigger attacks
iv) no focal dystonia
- sleep persistence & ear click
4/
i) suppressed by action
ii) no palatal tremor
- no uvula involvement
iii) sensory triggers
- head flexion trigger attacks
iv) no focal dystonia
- sleep persistence & ear click
4/
Management
- spontaneous recovery
- botox
5/
- spontaneous recovery
- botox
5/
Dancing larynx
💡MS
💡irritation of the trigeminal nerve motor root or pons
doi.org/10.1212/CPJ.00… via: Neurology
6/
💡MS
💡irritation of the trigeminal nerve motor root or pons
doi.org/10.1212/CPJ.00… via: Neurology
6/
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Have a great day!
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